<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="80px">
      <el-form-item label="" prop="projectsId">
        <el-input v-model="queryParams.projectsId" placeholder="请输入所属项目" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="" prop="parentId">
        <el-input v-model="queryParams.parentId" placeholder="请输入父节点ID" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item label="" prop="name">
        <el-input v-model="queryParams.name" placeholder="请输入节点名称" clearable @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['business:nodes:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['business:nodes:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['business:nodes:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['business:nodes:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="nodesList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="${comment}" align="center" prop="id" />
      <el-table-column label="所属项目" align="center" prop="projectsId" />
      <el-table-column label="父节点ID" align="center" prop="parentId" />
      <el-table-column label="节点名称" align="center" prop="name" />
      <el-table-column label="解释介绍" align="center" prop="description" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['business:nodes:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['business:nodes:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改项目节点对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="所属项目" prop="projectsId">
          <el-input v-model="form.projectsId" placeholder="请输入所属项目" />
        </el-form-item>
        <el-form-item label="父节点ID" prop="parentId">
          <el-input v-model="form.parentId" placeholder="请输入父节点ID" />
        </el-form-item>
        <el-form-item label="节点名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入节点名称" />
        </el-form-item>
        <el-form-item label="解释介绍" prop="description">
          <el-input v-model="form.description" type="textarea" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import {
    listNodes,
    getNodes,
    delNodes,
    addNodes,
    updateNodes
  } from "@/api/business/nodes";

  export default {
    name: "Nodes",
    watch: {
      // 监听整个路由对象变化
      $route(to, from) {
        // 当路由变化时执行逻辑
        console.log('路由变化:', to.params, to.query);
      },
      // 监听查询参数（如 keyword）
      '$route.query.id'(newId) {
        console.log('搜索关键字变化:', newId);
        this.queryParams.projectsId = newId;
        this.getList();
      },
    },
    data() {
      return {
        // 根路径
        baseURL: process.env.VUE_APP_BASE_API,
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 项目节点表格数据
        nodesList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          projectsId: null,
          parentId: null,
          name: null,
          description: null,
          remark: null,
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
          id: [{
            required: true,
            message: "$comment不能为空",
            trigger: "blur"
          }],
          projectsId: [{
            required: true,
            message: "所属项目不能为空",
            trigger: "blur"
          }],
          parentId: [{
            required: true,
            message: "父节点ID不能为空",
            trigger: "blur"
          }],
          name: [{
            required: true,
            message: "节点名称不能为空",
            trigger: "blur"
          }],
          description: [{
            required: true,
            message: "解释介绍不能为空",
            trigger: "blur"
          }]
        }
      };
    },
    created() {
      this.queryParams.projectsId = this.$route.query.id;
      this.getList();
    },
    methods: {
      /** 查询项目节点列表 */
      getList() {
        this.loading = true;
        listNodes(this.queryParams).then(response => {
          this.nodesList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: null,
          projectsId: null,
          parentId: null,
          name: null,
          description: null,
          remark: null,
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length !== 1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加项目节点";
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const id = row.id || this.ids
        getNodes(id).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改项目节点";
        });
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.id != null) {
              updateNodes(this.form).then(response => {
                this.$modal.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              addNodes(this.form).then(response => {
                this.$modal.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids;
        this.$modal.confirm('是否确认删除项目节点编号为"' + ids + '"的数据项？').then(function () {
          return delNodes(ids);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
      },
      /** 导出按钮操作 */
      handleExport() {
        this.download('business/nodes/export', {
          ...this.queryParams
        }, `nodes_${new Date().getTime()}.xlsx`)
      }
    }
  };

</script>
